An introduction to the UNKNOWN :






Understanding balance:



Algebra Song:






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http://www.mathplayground.com/AlgebraEquations.html


Solving One-Step Equations:










Two Step Equations with cups and counters:




Two Step Equations Video Lesson:





Review of one step and intro to two step equations:







Multi-step algebra extension: Combining like terms




Math 9 extension (using distributive property in multi-step algebra):